[jvm-lang] add couple helper functions

java/java-analysis-api/src/com/intellij/lang/jvm/actions/expectedTypes.kt

@@ -1,27 +1,13 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.lang.jvm.actions
 
 import com.intellij.lang.jvm.types.JvmType
 
 typealias ExpectedTypes = List<ExpectedType>
 
-fun expectedType(type: JvmType, kind: ExpectedType.Kind = ExpectedType.Kind.EXACT): ExpectedType {
-  return SimpleExpectedType(type, kind)
-}
+fun expectedType(type: JvmType, kind: ExpectedType.Kind = ExpectedType.Kind.EXACT): ExpectedType = SimpleExpectedType(type, kind)
+
+fun expectedTypes(type: JvmType): ExpectedTypes = listOf(expectedType(type))
 
 private class SimpleExpectedType(
   override val theType: JvmType,

java/java-analysis-api/src/com/intellij/lang/jvm/actions/parameters.kt

@@ -5,3 +5,5 @@ import com.intellij.psi.codeStyle.SuggestedNameInfo
 
 typealias ExpectedParameter = Pair<SuggestedNameInfo, ExpectedTypes>
 typealias ExpectedParameters = List<ExpectedParameter>
+
+fun nameInfo(vararg names: String): SuggestedNameInfo = object : SuggestedNameInfo(names) {}